Android - Firebase Realtime Database Completion Handler

I have code which I developed which requires multiple Firebase Realtime Database lookups in order to populate a list in the View.

My issue is that the second lookup is not completing in time for the third lookup to return the required data. I am trying to use completion handlers (as i did for iOS) but its not work as desired in Android.

Beceriler: Android, Mobile App Development, Java, Google Firebase

Müşteri Hakkında:
( 0 değerlendirme ) Linden, United States

Proje NO: #33950826

Bu iş için 28 freelancer ortalamada $183 teklif veriyor

(328 Değerlendirme)

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$300 USD in 9 gün içinde
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(57 Değerlendirme)

Hi. As Android Expert, I can fix your problem. I am very familiar with Android Studio and Firebase. I have mobile and backend skills with 7+ years. I would be happy if you hire me and I will do my best for your satisfa Daha Fazla

1 gün içinde %bids___i_sum_sub_32%%project_currencyDetails_sign_sub_33% USD
(26 Değerlendirme)
(160 Değerlendirme)

Hi, I have 9+ years experience in Mobile Android/iOS application development with a lot of applications on Store using Java, Kotlin, Swift, Objective-C. With my experiences, I can fix your issues easily. Please conta Daha Fazla

$150 USD in 3 gün içinde
(48 Değerlendirme)

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$140 USD in 7 gün içinde
(25 Değerlendirme)

Hello, I have over 7 years of expertise in all aspects of Android, iOS, and Windows Mobile application development. I am well-versed in critical growth abilities. I believe that client satisfaction is my first priorit Daha Fazla

$140 USD in 16 gün içinde
(15 Değerlendirme)
(7 Değerlendirme)

Hello, As I take this project, I will do my best! Please send me your message and let's discuss more detail. Thanks.

$140 USD in 7 gün içinde
(23 Değerlendirme)

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$440 USD in 7 gün içinde
(60 Değerlendirme)

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$250 USD in 10 gün içinde
(9 Değerlendirme)

Hello I have 6 years experience developing android apps and using firebase for the backend I have read your job description. kindly send a direct message thanks

$200 USD in 2 gün içinde
(84 Değerlendirme)

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$140 USD in 7 gün içinde
(7 Değerlendirme)

Greetings Sir, I hope you're doing great. I can fix your firebase lookups issue in your Android App. I have 5+ years of experience in end to end development of Android Apps. I have worked for big apps like Walmart, N Daha Fazla

$250 USD in 10 gün içinde
(11 Değerlendirme)

Hi! How are you doing? I have read the project description and really interested in this job, I have 4 years’ experience doing similar jobs regarding to these skills Mobile App Development, Android, Java and Google Fir Daha Fazla

$250 USD in 7 gün içinde
(9 Değerlendirme)
(32 Değerlendirme)

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$140 USD in 7 gün içinde
(27 Değerlendirme)